LuckyOliver  is a community of photographers, designers and artists who buy and sell stock photos.  They have a collection of great royalty-free stock photos and illustrations for a dollar each.  You purchase block of credits then use those credits to purchase your images.  Low resolution (good enough for many web projects) cost $1.00 and higer quality images are available for $4.00

IconBuffet is offering free, royalty-free icons and illustrations that you can use on your website, your blog, a client’s website, or commercial software. The only catch is that you need to sign-up for a free account with them. If you’ve seen their previous works, there’s no reason not to sign-up!